package ch02.Shili;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.FileOutputStream;
import java.io.IOException;

public class Shili5 {
    public static void main(String[] args) throws ParserConfigurationException, IOException, SAXException, TransformerException {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc = db.parse("src/ch02/信息收藏.xml");
        NodeList list = doc.getElementsByTagName("Brand");
        for (int i = 0;i<list.getLength();i++){
            Element brandElement = (Element) list.item(i);
            String brandName = brandElement.getAttribute("name");
            if(brandName.equals("三星")){
                brandElement.setAttribute("name","SAMSUNG");
            }
        }
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        DOMSource domSource = new DOMSource(doc);
        transformer.setOutputProperty(OutputKeys.ENCODING,"utf-8");
        StreamResult result = new StreamResult(new FileOutputStream("src/ch02/信息收藏.xml"));
        transformer.transform(domSource,result);
    }
}
